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 ###Instrução: Qual temporada regular contém playoffs nas finais de divisão?
 ###Tabelas: CREATE TABLE composition_of_the_20th_seanad (composition_of_the_20th_seanad_id AUTO_INCREMENT PRIMARY KEY, Administrative Panel INT, Agricultural Panel INT, Cultural and Educational Panel INT, Industrial and Commercial Panel INT, Labour Panel INT, National University of Ireland INT, University of Dublin INT, Nominated by the Taoiseach INT, Total INT) CREATE TABLE year-by-year (year-by-year_id AUTO_INCREMENT PRIMARY KEY, Year INT, Division INT, League VARCHAR, Regular Season VARCHAR, Playoffs VARCHAR, Open Cup VARCHAR) CREATE TABLE afternoon (afternoon_id AUTO_INCREMENT PRIMARY KEY, Time VARCHAR, 12:00 PM VARCHAR, 01:00 PM VARCHAR, 02:00 PM VARCHAR, 03:00 PM VARCHAR, 04:00 PM VARCHAR, 05:00 PM VARCHAR, 05:55 PM VARCHAR) CREATE TABLE aircraft_inventory (aircraft_inventory_id AUTO_INCREMENT PRIMARY KEY, Aircraft VARCHAR, Origin VARCHAR, Type VARCHAR, Versions VARCHAR, In service INT) CREATE TABLE official_sports (official_sports_id AUTO_INCREMENT PRIMARY KEY, Rank VARCHAR, Nation VARCHAR, Gold INT, Silver INT, Bronze INT, Total INT)  
SELECT Regular Season FROM year-by-year WHERE Playoffs = Division Finals